Phosphate Ion Release and Alkalizing Potential of Three Bioactive Dental Materials in Comparison with Composite Resin

Table 2

Mean (and standard deviation) amount of phosphate ions released (µg/cm²) from restorative materials following pH reduction from 6.8 to 4 at different time points of storage.

Materials	24 hours	-value	48 hours	-value	6 Months	-value
Activa BioActive	3.66 ± 0.50 c	0.0001	4.94 ± 0.16 d	0.0001	7.70 ± 0.73 e	0.0001
Cention N	3.98 ± 0.16 c		5.43 ± 0.17 d		8.44 ± 0.88 e
RMGI	5.84 ± 0.50 b		4.68 ± 0.19 bd		5.18 ± 0.54 b
Z250	0.07 ± 0.15 a		0.23 ± 0.27 a		0.10 ± 0.18 a

One-way ANOVA. Similar lowercase letters show no difference according to Tukey’s HSD test ().